273 lines
11 KiB
Go
273 lines
11 KiB
Go
package broker
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import (
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"strings"
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"testing"
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)
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// The seats of novox/hq ADR 0259 §3, as the messenger declares them.
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func operatorChannel() Seat {
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return Seat{Name: "operator-channel", Scope: "mesh", Accepts: []string{"ask", "cancel"},
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Emits: []string{"decided"}, Serves: []string{"open", "history", "notify"},
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ByCaller: []string{"ask", "cancel", "decided"}, Records: []string{"messenger_asks"}}
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}
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func channelSeat(kind string) Seat {
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return Seat{Name: "channel", Scope: "mesh", Accepts: []string{"show", "edit", "send"}, Kinded: true, Kind: kind}
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}
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func intakeSeat(kind string) Seat {
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return Seat{Name: "intake", Scope: "mesh", Emits: []string{"choice", "link"}, Proofs: []string{"code"},
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Kinded: true, Kind: kind}
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}
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func allowed(patterns []string, subject string) bool {
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for _, p := range patterns {
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if subjectMatches(p, subject) {
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return true
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}
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}
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return false
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}
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func perms(t *testing.T, p Principal) Permissions {
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t.Helper()
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got, err := PermissionsFor(p)
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if err != nil {
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t.Fatal(err)
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}
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return got
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}
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func TestAnAskerAsksAndHearsUnderItsOwnNameOnly(t *testing.T) {
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asker := Principal{Kind: KindModule, Node: "anchor", Module: "mesh-delivery", Uses: []Seat{operatorChannel()}}
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got := perms(t, asker)
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for _, s := range []string{
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"mesh.seat.operator-channel.accept.ask.mesh-delivery",
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"mesh.seat.operator-channel.accept.cancel.mesh-delivery",
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"$JS.API.DIRECT.GET.KV_messenger_asks.$KV.messenger_asks.mesh-delivery.a1",
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} {
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if !allowed(got.Publish, s) {
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t.Errorf("an asker may not publish %s", s)
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}
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}
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for _, s := range []string{
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"mesh.seat.operator-channel.accept.ask.mesh-controller",
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"mesh.seat.operator-channel.accept.ask.*",
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"mesh.seat.operator-channel.event.decided.mesh-delivery",
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"$JS.API.DIRECT.GET.KV_messenger_asks.$KV.messenger_asks.mesh-controller.a1",
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"$KV.messenger_asks.mesh-delivery.a1",
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} {
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if allowed(got.Publish, s) {
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t.Errorf("an asker may publish %s, which is not its own to submit", s)
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}
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}
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if !allowed(got.Subscribe, "mesh.seat.operator-channel.event.decided.mesh-delivery") {
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t.Error("an asker does not hear its own warrants")
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}
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if allowed(got.Subscribe, "mesh.seat.operator-channel.event.decided.mesh-controller") {
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t.Error("an asker hears another asker's warrants")
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}
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// And its own consumer carries its warrants, so a restart catches up.
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c, ok := ConsumerFor(asker)
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if !ok || !allowed(c.Filters, "mesh.seat.operator-channel.event.decided.mesh-delivery") {
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t.Errorf("the asker's consumer does not carry its warrants: %v", c.Filters)
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}
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}
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func TestOnlyTheHolderPublishesAWarrant(t *testing.T) {
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users, err := Users(Records{
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Nodes: []string{"anchor"},
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Assigned: map[string][]Declared{"anchor": {
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{Module: "messenger", Holds: []Seat{operatorChannel()}, Uses: []Seat{channelSeat("")},
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Watches: []Seat{{Name: "intake", Emits: []string{"choice", "link"}, Kinded: true, Proofs: []string{"code"}}}},
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{Module: "mesh-delivery", Uses: []Seat{operatorChannel()}},
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{Module: "telegram", Holds: []Seat{channelSeat("telegram"), intakeSeat("telegram")}},
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}},
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})
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if err != nil {
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t.Fatal(err)
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}
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for _, u := range users {
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got := perms(t, u)
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says := allowed(got.Publish, "mesh.seat.operator-channel.event.decided.mesh-delivery")
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if says != (u.Module == "messenger") {
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t.Errorf("%s %s publish a warrant", u.Username(), map[bool]string{true: "may", false: "may not"}[says])
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}
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}
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}
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func TestTheHolderTakesEveryCallersAskThroughItsWorker(t *testing.T) {
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got := perms(t, Principal{Kind: KindModule, Node: "anchor", Module: "messenger", Holds: []Seat{operatorChannel()}})
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if !allowed(got.Subscribe, "mesh.seat.operator-channel.accept.ask.mesh-delivery") {
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t.Error("the router does not take an ask")
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}
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for _, s := range []string{
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"$JS.API.CONSUMER.MSG.NEXT.SEAT_OPERATOR_CHANNEL.SEAT_OPERATOR_CHANNEL_worker",
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"$JS.ACK.SEAT_OPERATOR_CHANNEL.SEAT_OPERATOR_CHANNEL_worker.x",
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"mesh.seat.operator-channel.event.decided.mesh-controller",
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} {
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if !allowed(got.Publish, s) {
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t.Errorf("the router may not publish %s", s)
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}
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}
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if allowed(got.Publish, "mesh.seat.operator-channel.accept.ask.messenger") {
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t.Error("the holder may ask its own seat without using it")
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}
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}
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func TestAKindedHolderReachesItsOwnKindAndNoOther(t *testing.T) {
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got := perms(t, Principal{Kind: KindModule, Node: "anchor", Module: "telegram",
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Holds: []Seat{channelSeat("telegram"), intakeSeat("telegram")}})
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for _, s := range []string{
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"mesh.seat.intake.event.choice.telegram", "mesh.seat.intake.event.link.telegram",
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"mesh.seat.intake.proof.code.telegram",
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"$JS.API.CONSUMER.MSG.NEXT.SEAT_CHANNEL.SEAT_CHANNEL_TELEGRAM_worker",
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} {
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if !allowed(got.Publish, s) {
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t.Errorf("telegram may not publish %s", s)
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}
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}
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for _, s := range []string{
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"mesh.seat.intake.event.choice.desktop", "mesh.seat.intake.proof.code.desktop",
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"mesh.seat.channel.accept.show.telegram",
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"$JS.API.CONSUMER.MSG.NEXT.SEAT_CHANNEL.SEAT_CHANNEL_DESKTOP_worker",
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"mesh.seat.operator-channel.event.decided.mesh-delivery",
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} {
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if allowed(got.Publish, s) {
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t.Errorf("telegram may publish %s", s)
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}
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}
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if !allowed(got.Subscribe, "mesh.seat.channel.accept.show.telegram") ||
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allowed(got.Subscribe, "mesh.seat.channel.accept.show.desktop") {
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t.Error("telegram does not take exactly its own kind's work")
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}
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if allowed(got.Subscribe, "mesh.seat.intake.proof.code.telegram") {
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t.Error("a channel answers its own proofs")
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}
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}
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func TestTheWatcherAnswersProofsAndHearsEveryKind(t *testing.T) {
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got := perms(t, Principal{Kind: KindModule, Node: "anchor", Module: "messenger",
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Uses: []Seat{channelSeat("")},
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Watches: []Seat{{Name: "intake", Emits: []string{"choice"}, Kinded: true, Proofs: []string{"code"}}}})
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for _, s := range []string{"mesh.seat.intake.event.choice.telegram", "mesh.seat.intake.proof.code.desktop"} {
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if !allowed(got.Subscribe, s) {
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t.Errorf("the router does not hear %s", s)
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}
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}
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if !allowed(got.Publish, "mesh.seat.channel.accept.show.telegram") {
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t.Error("the router cannot send a channel its work")
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}
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if allowed(got.Publish, "mesh.seat.intake.event.choice.telegram") || allowed(got.Publish, "mesh.seat.intake.proof.code.telegram") {
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t.Error("the router may say a channel's answer or proof")
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}
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}
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func TestNoStreamKeepsAProof(t *testing.T) {
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users, _ := Users(Records{Nodes: []string{"anchor"}, Assigned: map[string][]Declared{"anchor": {
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{Module: "telegram", Holds: []Seat{channelSeat("telegram"), intakeSeat("telegram")}},
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{Module: "messenger", Holds: []Seat{operatorChannel()}},
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}}})
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streams, _ := SeatTrafficObjects(users)
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streams = append(streams, MeshStreams()...)
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for _, s := range streams {
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for _, subject := range s.Subjects {
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if subjectMatches(subject, "mesh.seat.intake.proof.code.telegram") {
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t.Errorf("%s keeps a proof (%s)", s.Name, subject)
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}
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}
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}
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}
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func TestEachKindHasAWorkerOfItsOwn(t *testing.T) {
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users, _ := Users(Records{Nodes: []string{"anchor"}, Assigned: map[string][]Declared{"anchor": {
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{Module: "telegram", Holds: []Seat{channelSeat("telegram")}},
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{Module: "desk-channel", Holds: []Seat{channelSeat("desktop")}},
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{Module: "messenger", Holds: []Seat{operatorChannel()}},
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}}})
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streams, workers := SeatTrafficObjects(users)
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names := map[string]string{}
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for _, w := range workers {
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names[w.Name] = strings.Join(w.Filters, ",")
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}
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want := map[string]string{
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"SEAT_CHANNEL_TELEGRAM_worker": "mesh.seat.channel.accept.*.telegram",
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"SEAT_CHANNEL_DESKTOP_worker": "mesh.seat.channel.accept.*.desktop",
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"SEAT_OPERATOR_CHANNEL_worker": "mesh.seat.operator-channel.accept.>",
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}
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for n, f := range want {
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if names[n] != f {
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t.Errorf("worker %s filters %q, want %q", n, names[n], f)
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}
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}
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if len(streams) != 2 {
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t.Errorf("want the queues of channel and operator-channel, got %v", streams)
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}
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}
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func TestTheRuntimeIsGrantedTheUnionAndTheMembershipEachModulesShare(t *testing.T) {
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telegram := Declared{Module: "telegram", Holds: []Seat{channelSeat("telegram"), intakeSeat("telegram")}}
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desk := Declared{Module: "desk-channel", Holds: []Seat{channelSeat("desktop"), intakeSeat("desktop")}}
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got := perms(t, Principal{Kind: KindNodeTools, Node: "anchor", Module: RuntimeModule, Carries: []Declared{telegram, desk}})
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for _, s := range []string{"mesh.seat.intake.event.choice.telegram", "mesh.seat.intake.event.choice.desktop"} {
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if !allowed(got.Publish, s) {
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t.Errorf("the runtime may not publish %s for a module it carries", s)
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}
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}
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m := MembershipFor("anchor", telegram, Placements{})
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if m.SeatTraffic == nil || !allowed(m.SeatTraffic.Publish, "mesh.seat.intake.event.choice.telegram") ||
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allowed(m.SeatTraffic.Publish, "mesh.seat.intake.event.choice.desktop") {
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t.Errorf("telegram's membership does not list exactly its own kind: %+v", m.SeatTraffic)
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}
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if plain := MembershipFor("anchor", Declared{Module: "plain"}, Placements{}); plain.SeatTraffic != nil {
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t.Error("a module with no such seat is given seat traffic")
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}
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}
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func TestASeatWithoutTheNewRulesIsComposedAsBefore(t *testing.T) {
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old := Seat{Name: "node-build-agent", Scope: "node", Accepts: []string{"build"}, Emits: []string{"built"}}
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got := perms(t, Principal{Kind: KindModule, Node: "anchor", Module: "builder", Holds: []Seat{old}})
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for _, s := range []string{"mesh.seat.node-build-agent.event.built",
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"$JS.API.CONSUMER.MSG.NEXT.SEAT_NODE_BUILD_AGENT.SEAT_NODE_BUILD_AGENT_worker"} {
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if !allowed(got.Publish, s) {
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t.Errorf("an old seat's holder lost %s", s)
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}
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}
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if !allowed(got.Subscribe, "mesh.seat.node-build-agent.accept.build") {
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t.Error("an old seat's holder lost its accept")
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}
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}
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// The router learns which channel is which, and what each promises, from the controller's membership:
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// the claims, never a channel's word (ADR 0259 §5).
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func TestTheRoutersMembershipNamesEveryKindAndItsCapabilities(t *testing.T) {
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tg := channelSeat("telegram")
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tg.Capabilities = []string{"choice", "verified-sender"}
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desk := channelSeat("desktop")
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desk.Capabilities = []string{"choice"}
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router := Declared{Module: "messenger", Holds: []Seat{operatorChannel()}, Uses: []Seat{channelSeat("")}}
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records := Records{Nodes: []string{"anchor", "laptop"}, Assigned: map[string][]Declared{
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"anchor": {router, {Module: "telegram", Holds: []Seat{tg}}},
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"laptop": {{Module: "desk-channel", Holds: []Seat{desk}}},
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}}
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where := PlacementsOf(records, nil)
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m := MembershipFor("anchor", router, where)
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if m.SeatTraffic == nil || len(m.SeatTraffic.Kinds) != 2 {
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t.Fatalf("the router is not told the kinds: %+v", m.SeatTraffic)
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}
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byKind := map[string]KindHeld{}
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for _, k := range m.SeatTraffic.Kinds {
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byKind[k.Kind] = k
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}
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if k := byKind["telegram"]; k.Module != "telegram" || k.Node != "anchor" || !namesVerb(k.Capabilities, "verified-sender") {
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t.Errorf("telegram is %+v", k)
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}
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if k := byKind["desktop"]; k.Module != "desk-channel" || namesVerb(k.Capabilities, "verified-sender") {
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t.Errorf("the desk is %+v", k)
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}
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if other := MembershipFor("anchor", Declared{Module: "mesh-delivery", Uses: []Seat{operatorChannel()}}, where); other.SeatTraffic != nil && len(other.SeatTraffic.Kinds) > 0 {
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t.Error("an asker is told the channels")
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}
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}
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